Achronix ACE Version 5.0 User Manual
Page 75
Editors
Chapter 3. Concepts
TX Has Bad
Lane
TX Bad Lane
TX Last Lane
TX Rate Limiter
Enable TX Rate
Limiter
Max Tokens
(hex)
Specifies how many tokens are to be added to the token
bucket after each interval. This value must be greater than
0. This value should not be changed when the rate limiter
is enabled.
Delta (hex)
Specifies how many tokens are to be added to the token
bucket after each interval. This value must be greater than
0. This value should not be changed when the rate limiter
is enabled.
Update
Interval (hex)
Specifies the interval, in Local bus clock cycles, that the
token bucket bucket will be updated. It is recommended
that this value be greater than or equal to 8. This value
should not be changed when the rate limiter is enabled.
TX Meta Frame Length (hex)
This input should be -1 the desired length. Thus for a Meta
Frame of 2048, a value of 2047 should be used. This input
is specified in terms of the number of words or cycles
minus one. For example, if set to 2047, then a Metaframe
sync word is sent every 2048 word transfers on every lane.
See section 5.4.3 of Interlaken spec 1.1.
Disable TX Skip Word Generation
Disables the generation of a skip word after the scrambler
state word.
TX Minimum Burst Control Word Spacing
Specifies the minimum spacing between Burst Control
Words.
Tx Maximum Burst Control Word Spacing
Specifies the maximum number of Data Words between
Burst Control Words. See section 5.3.2 of Interlaken spec
1.1.
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UG001 Rev. 5.0 - 5th December 2012